Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 465 · 40 questions

Remember (Shape tells the part): Cell: long and short line (long = +). Battery: two or more cells. Wire: straight line. Junction: a dot. Bulb: circle with a cross. Switch: line lifted at a gap. Resistor: rectangle. Capacitor: two equal parallel lines. Diode: triangle against a bar; LED: the same with two arrows out. Circle with M = motor, A = ammeter, V = voltmeter.

1. 1.Which drawing is the symbol for a diode? (a) a long and a short line (b) one tall, one short bar (c) a circle with an X in it (d) triangle against a bar
2. 2.True or false: a circle with M inside is the symbol for a motor. (a) True (b) False
3. 3.True or false: a dot where wires meet is the symbol for a cell. (a) True (b) False
4. 4.✏️ Why do engineers draw circuits with symbols? (a) symbols are heavier (b) to make it colourful (c) to hide the circuit (d) quick and clear for all
5. 5.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) bulb (b) wire (c) motor (d) diode
6. 6.True or false: a small empty box is the symbol for a resistor. (a) True (b) False
7. 7.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) voltmeter (b) bulb (c) ammeter (d) motor
8. 8.Which drawing is the symbol for an LED? (a) a long and a short line (b) a circle with V inside (c) triangle, bar and arrows (d) a circle with an X in it
9. 9.True or false: a plain rectangle is the symbol for a resistor. (a) True (b) False
10. 10.Which drawing is the symbol for a battery? (a) one tall, one short bar (b) triangle against a bar (c) two or more cell symbols (d) a long and a short line
11. 11.Which drawing is the symbol for a bulb? (a) a straight line (b) one tall, one short bar (c) triangle, bar and arrows (d) a circle with a cross
12. 12.✏️ In a circuit diagram, wires are usually drawn as … (a) wavy lines (b) little stars (c) dotted circles (d) straight lines
13. 13.True or false: a dot where wires meet is the symbol for a junction. (a) False (b) True
14. 14.Which drawing is the symbol for a motor? (a) a small empty box (b) a straight line (c) a plain rectangle (d) a circle with M inside
15. 15.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) ammeter (b) switch (c) bulb (d) wire
16. 16.Which drawing is the symbol for a bulb? (a) a circle with V inside (b) a circle with an X in it (c) a circle with M inside (d) two or more cell symbols
17. 17.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) battery (b) switch (c) bulb (d) capacitor
18. 18.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) diode (b) resistor (c) bulb (d) cell
19. 19.Which drawing is the symbol for a resistor? (a) a circle with A inside (b) triangle, bar and arrows (c) one tall, one short bar (d) a plain rectangle
20. 20.True or false: many long-short pairs is the symbol for a battery. (a) False (b) True
21. 21.Which drawing is the symbol for a resistor? (a) a small empty box (b) a straight line (c) many long-short pairs (d) a dot where wires meet
22. 22.✏️ In a cell symbol, which line is the + terminal? (a) both lines (b) the longer line (c) the shorter line (d) neither line
23. 23.✏️ In a circuit diagram, which part is drawn as a straight line? (a) diode (b) wire (c) capacitor (d) cell
24. 24.Which drawing is the symbol for a cell? (a) a line lifted at a gap (b) a circle with M inside (c) two or more cell symbols (d) a long and a short line
25. 25.True or false: one tall, one short bar is the symbol for a wire. (a) True (b) False
26. 26.✏️ In a circuit diagram, which part is drawn as a small empty box? (a) LED (b) resistor (c) capacitor (d) motor
27. 27.True or false: triangle against a bar is the symbol for a battery. (a) False (b) True
28. 28.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) bulb (b) resistor (c) capacitor (d) switch
29. 29.Which drawing is the symbol for a cell? (a) a circle with a cross (b) a plain rectangle (c) a circle with M inside (d) one tall, one short bar
30. 30.True or false: two or more cell symbols is the symbol for a junction. (a) False (b) True
31. 31.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) cell (b) capacitor (c) diode (d) wire
32. 32.Which drawing is the symbol for a switch? (a) a circle with A inside (b) a line lifted at a gap (c) a circle with V inside (d) triangle against a bar
33. 33.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) capacitor (b) motor (c) cell (d) diode
34. 34.True or false: a straight line is the symbol for a wire. (a) True (b) False
35. 35.✏️ In a circuit diagram, which part is drawn as two equal parallel lines? (a) capacitor (b) voltmeter (c) ammeter (d) cell
36. 36.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) switch (b) motor (c) resistor (d) voltmeter
37. 37.True or false: many long-short pairs is the symbol for a voltmeter. (a) True (b) False
38. 38.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) battery (b) voltmeter (c) junction (d) cell
39. 39.True or false: a long and a short line is the symbol for a cell. (a) False (b) True
40. 40.Which drawing is the symbol for a voltmeter? (a) a straight line (b) triangle against a bar (c) a small empty box (d) a circle with V inside

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